20680030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{295429}}^1$

素因数の和:295443

約数の個数: 16

約数和(自身を含む): 42541920

約数和(自身を除く): 21861890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 295429, 590858, 1477145, 2068003, 2954290, 4136006, 10340015, 20680030]

約数ペア:

[(1, 20680030), (2, 10340015), (5, 4136006), (7, 2954290), (10, 2068003), (14, 1477145), (35, 590858), (70, 295429)]